SQL injection vulnerability in zm_html_view_event.php in ZoneMinder 1.23.3 and earlier allows remote attackers to execute arbitrary SQL commands via the filter array parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/44726
http://www.securityfocus.com/bid/30843
http://www.securityfocus.com/archive/1/495745/100/0/threaded